CN106062465B - Light supply apparatus and lighting device - Google Patents
Light supply apparatus and lighting device Download PDFInfo
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- CN106062465B CN106062465B CN201580011467.9A CN201580011467A CN106062465B CN 106062465 B CN106062465 B CN 106062465B CN 201580011467 A CN201580011467 A CN 201580011467A CN 106062465 B CN106062465 B CN 106062465B
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- light
- recess
- supply apparatus
- plane
- lens
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V5/00—Refractors for light sources
- F21V5/04—Refractors for light sources of lens shape
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S8/00—Lighting devices intended for fixed installation
- F21S8/02—Lighting devices intended for fixed installation of recess-mounted type, e.g. downlighters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V7/00—Reflectors for light sources
- F21V7/0091—Reflectors for light sources using total internal reflection
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
- F21Y2115/00—Light-generating elements of semiconductor light sources
- F21Y2115/10—Light-emitting diodes [LED]
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Led Device Packages (AREA)
- Lenses (AREA)
Abstract
Light supply apparatus (1) has：Light source (10), projects light；And lens (30), possess the incident plane of incidence (31) of light projected from light source (10) and the exit facet (32) opposed with the plane of incidence (31), the lens change the direct of travel of the light projected from light source (10), and lens (30) have：First recess (40), is arranged at the plane of incidence (31) side, makes incident anaclasis；Opposed faces (61), are arranged at exit facet (32) side, opposed with the first recess (40), make anaclasis；And surrounding face (62), the periphery of opposed faces (61) is arranged at, incident light is totally reflected to the plane of incidence (31) side.
Description
Technical field
Lighting device the present invention relates to light supply apparatus and using the light supply apparatus.
Background technology
Propose many using ligthing paraphernalias of the LED (Light Emitting Diode, light emitting diode) as light source.
In addition, with it concomitantly, in addition to irradiating be provided with functional surfaces as the room of ligthing paraphernalia brightly, in ligthing paraphernalia
Design to space contributes such design face, and demand also increases.As the luminaire for being additionally contemplates that such design face
Tool, it is proposed that following ligthing paraphernalia：To top, the side of the direct illumination supplemental irradiation ligthing paraphernalia of the lower section of irradiation ligthing paraphernalia
The function of side, while the illumination of work surface is maintained, meets the bright sense of space entirety.
In patent document 1, the photograph of the LED light source for possessing top irradiation and the LED light source of lower section irradiation is disclosed
Funerary objects has.In addition, in patent document, disclose the lighting device for possessing light source and light conductor.In the patent document 2, lead
Body of light includes multiple faces, thus, makes the rear that the substrate for being placed with light source is also injected to from the light that light source projects.
Patent document 1：Japanese Unexamined Patent Publication 2012-113855 publications (page 2~page 3)
Patent document 2：Japanese Unexamined Patent Publication 2013-58454 publications (page 2~page 3)
The content of the invention
But the LED light source of irradiation and lower section irradiation above ligthing paraphernalia use disclosed in patent document 1
The two LED light sources of LED light source, part number of packages are more.In addition, in the lighting device disclosed in patent document 2, it is obtained to match somebody with somebody
Rear of the light from the front of substrate to substrate is continuous, and the region of not illuminated light is not present in-between.Therefore, feel in people
The region of uncomfortable glare also illuminated light.
The present invention is completed using problem as described above as background, there is provided following light supply apparatus and uses the light source
The lighting device of device：Suppress issuable glare when using a light source to be irradiated.
Light supply apparatus of the present invention has：Light source, projects light；And lens, possess the light projected from light source and entered
The plane of incidence and the exit facet opposed with the plane of incidence penetrated, the lens change the direct of travel of the light projected from light source, lens
Have：First recess, is arranged at incident surface side, makes incident anaclasis；Opposed faces, are arranged at outgoing surface side, recessed with first
Portion is opposed, makes anaclasis；And surrounding face, the periphery of opposed faces is arranged at, incident light is totally reflected to incident surface side.
According to the present invention, lens have the first recess, opposed faces and surrounding face, so playing can suppress to feeling
Effect as the area illumination light of glare.
Brief description of the drawings
Fig. 1 is the exploded perspective view for the light supply apparatus 1 for showing embodiment 1.
Fig. 2 is the profile for the light supply apparatus 1 for showing embodiment 1.
Fig. 3 is the profile in the path of the light for the light supply apparatus 1 for showing embodiment 1.
Fig. 4 is that the irradiation area of the light for the light supply apparatus 1 for showing embodiment 1 matches somebody with somebody light distribution.
Fig. 5 is the profile for the light supply apparatus 100 for showing embodiment 2.
Fig. 6 is the profile in the path of the light for the light supply apparatus 100 for showing embodiment 2.
Fig. 7 is the exploded perspective view for the light supply apparatus 200 for showing embodiment 3.
Fig. 8 is the profile for the light supply apparatus 200 for showing embodiment 3.
Fig. 9 is the profile in the path of the light for the light supply apparatus 200 for showing embodiment 3.
Figure 10 is the exploded perspective view for the light supply apparatus 300 for showing embodiment 4.
Figure 11 is the profile for the light supply apparatus 300 for showing embodiment 4.
Figure 12 is the profile in the path of the light for the light supply apparatus 300 for showing embodiment 4.
Figure 13 is the stereogram for the lighting device 2 for showing embodiment 5.
Figure 14 is the exploded perspective view for the light supply apparatus 400 for showing embodiment 6.
Figure 15 is the profile in the path of the light for the light supply apparatus 400 for showing embodiment 6.
Figure 16 is the top view for showing the lens 430 in embodiment 6.
Figure 17 A are the schematic diagrames of the use example for the light supply apparatus 400 for showing embodiment 6.
Figure 17 B are the schematic diagrames of the use example for the light supply apparatus 400 for showing embodiment 6.
Figure 18 is the profile in the path of the light for the light supply apparatus 500 for showing embodiment 7.
Figure 19 is that the irradiation area of the light for the light supply apparatus 500 for showing embodiment 7 matches somebody with somebody light distribution.
Symbol description
1：Light supply apparatus；2：Lighting device；3：First light distribution region；4：Second light distribution region；5：Non- light distribution region；10：
Light source (LED)；11：Substrate；12：Conducting wire；13：Connector；14：Optical axis；20：Framework；21：Flat part；22：Flange part；30：Thoroughly
Mirror；31：The plane of incidence；32：Exit facet；33：Side；40：First recess；41：Inclined plane；42：Bottom surface；50：Second recess；51：
First refractive face；52：Second plane of refraction；53：Third reflect face；60：3rd recess；61：Opposed faces；62：Surrounding face；100：Light
Source device；130：Lens；131：The plane of incidence；132：Exit facet；133：Side；140：First recess；150：Second recess；151：
Fully reflecting surface；160：3rd recess；161：Opposed faces；162：Surrounding face；200：Light supply apparatus；230：Lens；231：The plane of incidence；
232：Exit facet；233：Side；240：First recess；241：Inclined plane；250：Second recess；251：First refractive face；251a：
First curved front surfaces；251b：First bending rear surface；252：Second plane of refraction；252a：Second curved front surfaces；252b：The
Two bending rear surfaces；253：Third reflect face；260：3rd recess；261：Opposed faces；262：Surrounding face；300：Light supply apparatus；
320：Framework；321：Framework recess；322：Flange part；323：Flat part；324：Light-blocking member；325：Annular recessed portion；330：Thoroughly
Mirror；331：The plane of incidence；332：Exit facet；333：Side；334：Annular convex；340：First recess；341：Inclined plane；342：Bottom
Face；350：Second recess；351：First refractive face；351a：First curved front surfaces；351b：First bending rear surface；352：The
Two planes of refraction；352a：Second curved front surfaces；352b：Second bending rear surface；353：Third reflect face；360：3rd recess；
361：Opposed faces；362：Surrounding face；400：Light supply apparatus；401：Radiator；402：Standing finish；403：Power supply；430：Lens；
431：The plane of incidence；432：Exit facet；433：Frustum of a cone portion；440：First recess；441：Inclined plane；442：Bottom surface；450：Second
Recess；451：First refractive face；452：Second plane of refraction；453：Third reflect face；454：Recess side；461：Opposed faces；
462：Surrounding face；470：Curved surface；480：Protrusion；481、482：Projection side；483：Side；500：Light supply apparatus；503：The
One light distribution region；504：Second light distribution region；505：Non- light distribution region；530：Lens；531：The plane of incidence；532：Exit facet；
533：Side；540：First recess；541：Inclined plane；542：Bottom surface；560：3rd recess；561：Opposed faces；562：Surrounding face；
700：Space；701：Wall；702：Ceiling；703：Ground；710：Space；711：Wall；712：Ceiling；713：Ground；720：
Diffuser plate.
Embodiment
Hereinafter, referring to the drawings, the light supply apparatus of the present invention and the embodiment of lighting device are illustrated.It is in addition, of the invention
It is not limited to embodiments described below.In addition, including Fig. 1, in figures in the following, the relation of the size of each structure member has
When it is different from actual situation.
Embodiment 1.
Fig. 1 is the exploded perspective view for the light supply apparatus 1 for showing embodiment 1.According to the Fig. 1, illustrate light supply apparatus 1.Such as
Shown in Fig. 1, light supply apparatus 1 possesses light source 10 and lens 30, in addition, is also equipped with substrate 11, framework 20, conducting wire 12 and connects
Connect device 13.
Light source 10 projects light, irradiates white light, possesses the structure that fluorophor is for example coated with LED (following, LED10)
Make.The LED10 is to be provided with to be in the LED chip of blue light for sending 440nm~480nm degree by blue optical wavelength conversion
The structure of the fluorophor of sodium yellow.Therefore, LED10 is the light-emitting component for sending white light as synthesis light.In addition, LED10 pacifies
On the substrate 11, which is for example circular and tabular aluminum substrate to dress.In addition, at substrate 11, in addition to LED10,
It is also equipped with the elements such as diode, wiring.In addition, the optical axis 14 and the axis of lens 30 of LED10 are roughly the same.Penetrated from the LED10
Lower section (the Z of arrow Z-direction of the light gone out towards optical axis 141) side injection.
Framework 20 houses substrate 11, is made of aluminium die-casting material.The framework 20 have concurrently as make from LED10 produce heat dissipate
The function of the radiator of heat.In addition, framework 20 includes the flange around the flat part 21 and covering substrate 11 of mounting substrate 11
Portion 22.In framework 20, conducting wire 12 and connector 13 are contained, these conducting wires 12 and connector 13 are connected to power supply (not
Diagram), to LED10 supply electric powers.
Lens 30 possess from the LED10 incident planes of incidence 31 of light projected and the exit facet opposed with the plane of incidence 31
32, change the direct of travel from the LED10 light projected, in for example cylindric.The lens 30 are arranged at one that LED10 projects light
Side, the substrate 11 for being placed with LED10 are positioned with lens 30 by framework 20.Lens 30 are the rotating rotations centered on optical axis 14
Swivel, is generated by the transparent material such as acrylic resin, polycarbonate resin or glass.
Fig. 2 is the profile for the light supply apparatus 1 for showing embodiment 1, and Fig. 3 is the light supply apparatus 1 for showing embodiment 1
The profile in the path of light.As shown in Figure 2 and Figure 3, lens 30 possess the first recess 40, the second recess 50 and the 3rd recess 60.
In addition, shape of the lens 30 in the rotational symmetry centered on optical axis 14.
First recess 40 is arranged at 31 side of the plane of incidence of lens 30, makes incident anaclasis.First recess 40 includes：
Inclined plane 41, tilts in a manner of 32 side of exit facet of the opposite side from the plane of incidence 31 towards the plane of incidence 31 makes narrowed width as cone
Shape shape；And bottom surface 42, the terminal as inclined plane 41.
Second recess 50 is arranged at the periphery of the first recess 40, by incident light guide to 32 side of exit facet.This second
Recess 50 possesses：First refractive face 51, forms along optical axis 14；Second plane of refraction 52, the end edge from first refractive face 51
Tilted with respect to exit facet 32；And third reflect face 53, formed from the end edge of the second plane of refraction 52 along optical axis 14.
First refractive face 51 is from the plane of incidence 31 towards 32 side of exit facet and from the first recess 40 along radially away, making from
The anaclasis that one recess 40 projects.In addition, the second plane of refraction 52 is from the end edge B in first refractive face 51 towards 31 side of the plane of incidence
And from the first recess 40 along the anaclasis for, making to project from first refractive face 51 radially away, it is directed in the 3rd recess 60
Surrounding face 62.In addition, third reflect face 53 is prolonged from the end edge C of the second plane of refraction 52 along 14 direction of optical axis (arrow Z-direction)
Extend the plane of incidence 31.In addition, third reflect face 53 is not limited to the face parallel with optical axis 14, can also make with from the second plane of refraction
The mode that 52 end edge C leaves towards the plane of incidence 31 from the first recess 40 is accompanied with the face of taper.
3rd recess 60 is arranged at 32 side of exit facet of the opposite opposite side of the plane of incidence 31, is projected from the first recess 40
Light and the light that is projected from the second recess 50 it is incident.3rd recess 60 possesses opposed faces 61 and surrounding face 62, is arranged at example
Such as the entire surface of exit facet 32.
Opposed faces 61 are arranged at 32 side of exit facet, opposed with the first recess 40, make anaclasis.In addition, the opposed faces 61 are in
The shape convex to such as 32 side of exit facet.In addition, opposed faces 61 are a parts for the sphere with center on optical axis 14, convex
The vertex of shape is on optical axis 14.
In addition, surrounding face 62 is arranged at the periphery of opposed faces 61, incident light is set to be totally reflected to 31 side of the plane of incidence.Separately
Outside, face 62 is in such as parabolic shape around this.That is, surrounding face 62 possesses the datum line parallel with optical axis 14, is that focus is
A part for the parabola (double dot dash line in Fig. 2) of the side point P of LED10.In addition, the parabola is directed towards the side of lens 30
The unlimited parabola in face 33, therefore, the thickness of the lens 30 at surrounding face 62 is thickening from optical axis 14 towards side 33.In addition, this
A little opposed faces 61 and surrounding face 62 can also be made of other components.
In present embodiment 1, bottom, the i.e. end edge B in the second recess 50 is positioned at link LED10 and exit facet
On the line segment of edge part A in 32.Alternatively, it is also possible to be configured in the second recess 50 bottom, i.e. end edge B than link
The line segment of edge part A in LED10 and exit facet 32 is more prominent to 32 side of exit facet.
Next, the path of the light of the light supply apparatus 1 of explanation present embodiment 1.Fig. 3 is the light source for showing embodiment 1
The profile in the path of the light of device 1.Path as light shows the path for the light that the center of the slave optical axis 14 of LED10 is projected.
In addition, by the line in the direction (arrow X-direction) vertical with optical axis 14 be set to datum line, i.e. 0 degree of angle line, illustrate from the benchmark
The path for the light that the angle that line rises projects respectively differently.In addition, the direction (arrow Z-direction) of optical axis 14 is 90 from datum line
The angle of degree.
First, the path of the low-angle light S1 of the angle minimum from datum line is illustrated.As shown in figure 3, low-angle light S1
A part of light in the light projected equivalent to the inclined plane 41 in from LED10 towards the first recess 40.Low-angle light S1 passes through
Inclined plane 41 is refracted, and afterwards, is incided the first refractive face 51 in the second recess 50, is further refracted.After the refraction
Low-angle light S1 incides the second plane of refraction 52 and is refracted, and incides the surrounding face 62 in the 3rd recess 60.Then, low-angle
Light S1 is totally reflected by face 62 around, incide the side 33 of lens 30, is gone out from the side 33 of lens 30 to lens 30
The right oblique direction penetrated in the opposite side in face 32, i.e. Fig. 3 projects.
Next, the path that angle of the explanation from datum line is moderate middle angular light M1.In as shown in figure 3,
Angular light M1 is equivalent to a part of light in the light projected from LED10 towards the inclined plane 41 in the first recess 40.Angle in this
Light M1 is refracted by inclined plane 41, afterwards, not via the second recess 50, incides the surrounding face 62 in the 3rd recess 60.So
Afterwards, middle angular light M1 is totally reflected by face 62 around, incides the side 33 of lens 30, from the side 33 of lens 30 to it is saturating
Right oblique direction in the opposite side of the exit facet 32 of mirror 30, i.e. Fig. 3 projects.
In addition, the path of the wide-angle light L1 of angle maximum of the explanation from datum line.As shown in figure 3, wide-angle light L1
The light projected equivalent to the bottom surface 42 in from LED10 towards the first recess 40.The wide-angle light L1 is refracted by bottom surface 42, it
Afterwards, the opposed faces 61 in the 3rd recess 60 are incided.Then, wide-angle light L1 is refracted by opposed faces 61, incides lens
30 exit facet 32, is projected from the lower direction of the exit facets 32 of lens 30 into Fig. 3.
Next, the effect of the light supply apparatus 1 of explanation present embodiment 1.Fig. 4 is the light supply apparatus 1 for showing embodiment 1
The irradiation area of light match somebody with somebody light distribution.In Fig. 4, lower semisphere represents the light of the light projected from 32 side of exit facet of lens 30
Amount, episphere represent the light quantity of the light projected towards the side opposite with 32 side of exit facet of lens 30.Low-angle light in Fig. 3
Light distributions (second light distribution region 4) of the S1 and middle angular light M1 equivalent to the episphere in Fig. 4.In addition, the wide-angle light in Fig. 3
Light distributions (first light distribution region 3) of the L1 equivalent to the lower semisphere in Fig. 4.
In addition, in Fig. 4, the scope γ between the light distribution of episphere and the light distribution of lower semisphere does not project light (non-light distribution
Region 5).It is the light for causing glare in the light that scope γ is projected.In present embodiment 1, bottom in the second recess 50, i.e.
End edge B is on the line segment for linking the LED10 and edge part A in exit facet 32.Therefore, from the light that LED10 is projected logical
Cross after the first recess 40, incide in the surrounding face 62 in 51 and the 3rd recess 60 of first refractive face in the second recess 50
Arbitrary face.Thus, the light projected from LED10 after by the first recess 40, be not incident in the second recess 50 the
The arbitrary face in surrounding face 62 in one plane of refraction 51 and the 3rd recess 60, and the side of lens 30 is incided as former state
33, the scope γ that can suppress in Fig. 4 is projected.That is, the light distribution region of the light projected from lens 30 has in 61 shape of opposed faces
Into the first light distribution region 3, around face 62 formed and than the plane of incidence 31 by LED10 sides set the second light distribution region 4 and
The non-light distribution region 5 formed between the first light distribution region 3 and the second light distribution region 4.
In this way, in present embodiment 1, can by a LED10 come realize top irradiation (the second light distribution region 4) with
And lower section irradiation (the first light distribution region 3), in addition, bottom, i.e. end edge B in the second recess 50 positioned at link LED10 and
On the line segment of edge part A in exit facet 32, so as to suppressing region (non-light distribution region 5) irradiation light to feeling glare.
In addition, even if end edge B is more prominent more to 32 side of exit facet than line segment, the effect also can be similarly obtained.
In addition, the ratio of the light distribution of lower semisphere in the light distribution and Fig. 4 of episphere in Fig. 4 can be by suitably setting
The shape of first recess 40 or the shape of the opposed faces 61 in the 3rd recess 60 change.In addition, lower semisphere in Fig. 4 is matched somebody with somebody
The light quantity of light also can by suitably set the first recess 40 shape or the 3rd recess 60 in opposed faces 61 shape
To change.The light quantity of the light distribution of episphere in Fig. 4 can be by suitably setting shape, the second recess 50 of the first recess 40
Shape or the shape in surrounding face 62 in the 3rd recess 60 change.
For example, it is also possible to the opposed faces 61 in the 3rd recess 60 are not set to convex form and are set to flat shape.In addition, also
It can make all or part of the light from the injection of the side 33 of lens 30 by suitably changing the shape in surrounding face 62
Direction is towards 32 side of exit facet of lens 30.The direction of 32 side of exit facet of the lens 30 refers to+10 degree~-5 in such as Fig. 4
The scope of degree.
Embodiment 2.
Next, the light supply apparatus 100 of explanation present embodiment 2.Fig. 5 is the light supply apparatus 100 for showing embodiment 2
Profile.In present embodiment 2, the shape of the shape of the first recess 140 and the second recess 150 is different from embodiment 1.
In present embodiment 2, a pair part common with embodiment 1 adds identical symbol and omits the description, with embodiment 1
Illustrated centered on difference.
In the same manner as embodiment 1, lens 130 are in the shape of the rotational symmetry centered on optical axis 14.
First recess 140 is arranged at 131 side of the plane of incidence of lens 130, spreads incident light.As shown in figure 5, first
Recess 140 not includes multiple faces as Embodiment 1, but a part for the ball centered on LED10.
Second recess 150 is arranged at the periphery of the first recess 140, by incident light guide to 132 side of exit facet.Such as figure
Shown in 5, the second recess 150 possesses fully reflecting surface 151, and the fully reflecting surface 151 is from the plane of incidence 131 of lens 130 towards exit facet
132 sides and from the first recess 140 along radially away, make from the first recess 140 project light total reflection.In addition, fully reflecting surface
151 tilt angle alpha is 45 degree with respect to the direction (arrow X-direction) vertical with such as optical axis 14.
In present embodiment 2, bottom, the i.e. end edge B in the second recess 150 also is located at linking LED10 and outgoing
On the line segment of edge part A in face 132.Alternatively, it is also possible to be configured in the second recess 150 bottom, i.e. end edge B than connect
The line segment for tying the LED10 and edge part A in exit facet 132 is more prominent to 132 side of exit facet.
Next, the path of the light of the light supply apparatus 100 of explanation present embodiment 2.Fig. 6 is the light for showing embodiment 2
The profile in the path of the light of source device 100.Path as light is shown from the light of the center of the slave optical axis 14 of LED10 injection
Path.In addition, by the line in the direction (arrow X-direction) vertical with optical axis 14 be set to datum line, i.e. 0 degree of angle line, illustrate from
The path for the light that the angle that the datum line rises projects respectively differently.In addition, the direction (arrow Z-direction) of optical axis 14 is from benchmark
Line plays 90 degree of angle.
First, the path of the low-angle light S2 of the angle minimum from datum line is illustrated.As shown in fig. 6, projected from LED10
Low-angle light S2 incide the first recess 140.First recess 140 is a part for the ball centered on LED10, so not
Reflect light.Therefore, low-angle light S2 incides the fully reflecting surface 151 in the second recess 150, by complete by the first recess 140
Reflecting surface 151 is totally reflected.Then, the low-angle light S2 being totally reflected incides the surrounding face 162 in the 3rd recess 160, leads to
Surrounding face 162 is crossed to be totally reflected.The low-angle light S2 being totally reflected incides the side 133 of lens 130, from the side 133 to
Right oblique direction in the side opposite with the exit facet 132 of lens 130, i.e. Fig. 6 projects.
Next, the path that angle of the explanation from datum line is moderate middle angular light M2.In as shown in fig. 6,
Angular light M2, not via the second recess 150, incides the surrounding face in the 3rd recess 160 after by the first recess 140
162.Then, middle angular light M2 is totally reflected by face 162 around, incides the side 133 of lens 130, from the side of lens 130
Right oblique direction of the face 133 into the side opposite with the exit facet 132 of lens 130, i.e. Fig. 6 projects.
In addition, the path of the wide-angle light L2 of angle maximum of the explanation from datum line.As shown in fig. 6, wide-angle light L2
After by the first recess 140, the opposed faces 161 in the 3rd recess 160 are incided.Then, wide-angle light L2 passes through opposed
Face 161 is refracted, and incides the exit facet 132 of lens 130, is projected from the lower direction of the exit facets 132 of lens 130 into Fig. 6.
Next, the effect of the light supply apparatus 100 of explanation present embodiment 2.In present embodiment 2, the second recess 150
In bottom, i.e. end edge B positioned at link the LED10 and edge part A in exit facet 132 line segment on.Therefore, from LED10
The light of injection incides 151 and the 3rd recess 160 of fully reflecting surface in the second recess 150 after by the first recess 140
In surrounding face 162 in arbitrary face.Thus, in the same manner as embodiment 1, the area illumination to feeling glare can be suppressed
Light.
In addition, raw material of the acrylic resin as lens 130 can be used, but the refractive index of the acrylic resin is
1.49.In addition, the refractive index of air is 1.00.In the case where light is advanced from acrylic resin towards air, in the incidence of light
The normal at angle relative edge interface is totally reflected when being more than 42.2 degree.In present embodiment 2, as described above, total reflection
The tilt angle alpha in face 151 is 45 degree with respect to the direction (arrow X-direction) parallel with optical axis 14, but the inclination of the fully reflecting surface 151
Angle [alpha] is preferably smaller than advance in the light level projected from LED10 in the case of the angle that is totally reflected in edge surface i.e.
47.8 degree.
Embodiment 3.
Next, the light supply apparatus 200 of explanation present embodiment 3.Fig. 7 is the light supply apparatus 200 for showing embodiment 3
Exploded perspective view, Fig. 8 are the profiles for the light supply apparatus 200 for showing embodiment 3.Present embodiment 3 is different from embodiment 1
Point is there is multiple LED10, in addition, the shape of the second recess 250 is different from embodiment 1.It is right in present embodiment 3
Common part adds identical symbol and omits the description with embodiment 1, by with being carried out centered on the difference of embodiment 1
Explanation.
As shown in fig. 7, LED10 centered on the arbitrary position in substrate 11 circumferentially shape be configured with it is multiple, such as 8
It is a, by by the center and the axis vertical with being configured with the face of LED10 is set to optical axis 14.
In the same manner as embodiment 1, lens 230 are in the shape of the rotational symmetry centered on optical axis 14.
As shown in figure 8, the entering towards lens 230 at the first bending point B1 of the first refractive face 251 in the second recess 250
231 lateral bend of face is penetrated, the bending rear surfaces of respectively the first curved front surfaces 251a and first 251b from 231 side of the plane of incidence.
In addition, the plane of incidence 231 lateral bend of the second plane of refraction 252 in the second recess 250 in the second bending point C1 towards lens 230,
The bending rear surfaces of respectively the second curved front surfaces 252a and second 252b from 251 side of first refractive face.
Next, the path of the light of the light supply apparatus 200 of explanation present embodiment 3.Fig. 9 is the light for showing embodiment 3
The profile in the path of the light of source device 200.Path as light is shown from the light of the center of the slave optical axis 14 of LED10 injection
Path.In addition, by the line in the direction (arrow X-direction) vertical with optical axis 14 be set to datum line, i.e. 0 degree of angle line, illustrate from
The path for the light that the angle that the datum line rises projects respectively differently.In addition, the direction (arrow Z-direction) of optical axis 14 is from benchmark
Line plays 90 degree of angle.
The light source as LED10 has limited size in actual use, so the side not being intended in the presence of direction also
To light.In present embodiment 3, LED10 is configured with circle-shaped, so compared to the situation for being configured with one, in appearance
Size it is big.Therefore, the angle of the light in the first refractive face 251 in the second recess 250 of lens 230 is incided because LED10's
Allocation position is different and significantly different.
As shown in figure 9, in inciding the light in first refractive face 251, from opposite optical axis 14 from the first refractive face 251
Positional symmetry position configuration LED10 project light be with the angular light D of most shallow angle incidence.Angular light D passes through
Inclined plane 241 in first recess 240 is refracted, and afterwards, incides in the first refractive face 251 in the second recess 250
One curved front surfaces 251a and reflect.
The angular light D being refracted incides the second bending rear surface in the second plane of refraction 252 in the second recess 250
252b is simultaneously refracted.Afterwards, the angular light D being refracted incides the surrounding face 262 in the 3rd recess 260.In addition, angular light D
Be totally reflected by face 262 around, incide the side 233 of lens 230, from the side 233 of lens 230 to lens 230
Right oblique direction in the opposite side of exit facet 232, i.e. Fig. 9 projects.
Next, the effect of the light supply apparatus 200 of explanation present embodiment 3.In present embodiment 3, such as the angle in Fig. 9
It is such to spend light D, even if the first refractive face 251 in the second recess 250 is incided at a shallow angle, due to first refractive face 251
Bent, the angle of inclination of the first curved front surfaces 251a is bigger than the angle of inclination of the first bending rear surface 251b, so still existing
After being reflected by the first curved front surfaces 251a, the second plane of refraction 252 in the second recess 250 is incided, afterwards, is incided
Surrounding face 262 in 3rd recess 260.
In addition, the second plane of refraction 252 is bent, the angle of inclination of the second bending rear surface 252b is than the second curved front surfaces
The angle of inclination of 252a is small, so inciding the light of the second recess 250 at a shallow angle from LED10 into the 3rd recess 260
Surrounding face 262 is incident.Thus, in present embodiment 3, even if the scope from the LED10 light projected is wide, can also suppress to sense
To the area illumination light of glare.
In addition, in the case of 251 and second plane of refraction 252 of first refractive face is unbent, incide at a shallow angle
The light of second recess 250 does not reflect fully in 251 and second plane of refraction 252 of first refractive face, is projected from the second plane of refraction 252
Light not by the surrounding face 262 in the 3rd recess 260, and incide the side 233 of lens 230 as former state.It is in the light, logical
The lower direction of light that the sides 233 of lens 230 is refracted into Fig. 9 is crossed to project.It is in addition, complete by the side 233 of lens 230
The light of reflection incides the surrounding face 262 in the 3rd recess 260 and is refracted, and the lower direction into Fig. 9 is projected.These light may
The region for feeling glare can be become.
Embodiment 4.
Next, the light supply apparatus 300 of explanation present embodiment 4.Figure 10 is the light supply apparatus 300 for showing embodiment 4
Exploded perspective view, Figure 11 is the profile for the light supply apparatus 300 for showing embodiment 4.Present embodiment 4 and embodiment 3
Different points is to block the light-blocking member 324 of light in being internally provided with for the second recess 350.In present embodiment 4, pair with
1,3 common part of embodiment adds identical symbol and omits the description, by with centered on the difference of embodiment 1,3 into
Row explanation.
As shown in Figure 10, framework 320 includes framework recess 321 and flange part 322.Framework recess 321 includes mounting substrate
11 flat part 323, light-blocking member 324 prominent around the flat part 323 and set around the light-blocking member 324
The annular recessed portion 325 put.
As shown in figure 11, framework 320 is in the shape of the rotational symmetry centered on optical axis 14.In addition, lens 330 possess ring
Shape convex portion 334, which extends from the third reflect face 353 in the second recess 350, recessed with the ring-type in framework 320
Portion 325 engages.In addition, framework 320 is fixed with lens 330 by the way that annular convex 334 is embedded into annular recessed portion 325.By
This, the cricoid light-blocking member 324 for blocking light is set in the inside of the second recess 350.In addition, light-blocking member 324 is more recessed than ring-type
Portion 325 is set by loading the side of LED10, and the position of light-blocking member 324 and height are designed to be accommodated in the of lens 330
Two recesses 350.
Next, the path of the light of the light supply apparatus 300 of explanation present embodiment 4.Figure 12 is the light for showing embodiment 4
The profile in the path of the light of source device 300.Path as light is shown from the light of the center of the slave optical axis 14 of LED10 injection
Path.In addition, by the line in the direction (arrow X-direction) vertical with optical axis 14 be set to datum line, i.e. 0 degree of angle line, illustrate from
The path for the light that the angle that the datum line rises projects respectively differently.In addition, the direction (arrow Z-direction) of optical axis 14 is from benchmark
Line plays 90 degree of angle.
Fresnel reflection occurs for a part for the light projected from LED10, advances to random direction.As shown in figure 12, make
To be refracted from the Fresnel reflected light F of a part for the light that LED10 is projected by the inclined plane 341 in the first recess 340, it
Afterwards, incide the first refractive face 351 in the second recess 350 and reflect.Then, the Fresnel reflected light F reflected is incided
Opposed faces 361 in 3rd recess 360 and reflect, incide the in the second recess 350 of the opposite opposite side of optical axis 14
One plane of refraction 351 and be refracted.The Fresnel reflected light F being refracted reaches light-blocking member 324.
Next, the effect of the light supply apparatus 300 of explanation present embodiment 4.In present embodiment 4, in Figure 12
Fresnel reflected light F is such, even if Fresnel reflection occurs for the part from the LED10 light projected, advances to random direction,
Yet by light-blocking member 324, the traveling of light is hindered.
In the case of no light-blocking member 324, the phenanthrene that is refracted by the first refractive face 351 in the second recess 350
Nie Er reflected lights F incides the plane of incidence 331 of lens 330 and is reflected, from the side 333 of lens 330 to the area as glare
Project in lower direction in the Figure 12 in domain.In present embodiment 4, the row of Fresnel reflected light F is blocked by light-blocking member 324
Into so in addition to the effect obtained in embodiment 1,3, can further suppressing to feel people the area illumination of glare
Light.
In addition, light-blocking member 324 to be in a manner of hindering second plane of refraction 352 of the light into the second recess 350 incident, if
333 side of side for the lens 330 being placed in the second recess 350, i.e. near third reflect face 353, but as long as being the second recess
350 inside, then can be arbitrary position.In addition, light-blocking member 324 both can be with the one of framework 320, can also be with framework
320 separate.In the case where light-blocking member 324 is separated with framework 320, both shading can be directly attached for lens 330
Band etc., can also apply the coating of shading.
Embodiment 5.
Next, the lighting device 2 of explanation present embodiment 5.Figure 13 be show embodiment 5 lighting device 2 it is vertical
Body figure.The lighting device 2 of present embodiment 5 is the structure that the light supply apparatus 1 of embodiment 1 is applied to downlight.
As shown in figure 13, lighting device 2 possesses light supply apparatus 1, radiator 401, standing finish 402 and power supply 403.Dissipate
Hot device 401 is installed on the framework 20 in light supply apparatus 1, the heat heat dissipation for sending light supply apparatus 1.Standing finish 402 is used to use
It is arranged at the mounting hole of ceiling etc. and light-emitting device is installed to ceiling.In addition, power supply 403 light supply apparatus 1 is supplied it is pre-
Fixed electric power.
The lighting device 2 of present embodiment 5 possesses the light supply apparatus 1 of embodiment 1, so as to incidence to lens 30
This two sides irradiation light of 32 sides of exit facet, that is, ground side of 31 sides of face, that is, ceiling side and lens 30.In addition, it can suppress to feeling
The area illumination light of glare, while realize indirect lighting and direct illumination.And then only 30 showing out from ceiling of lens, institute
So as to make greater compactness of ligthing paraphernalia.
In addition, in the lighting device 2 of present embodiment 5, using the light supply apparatus 1 of embodiment 1, but can also use
The light supply apparatus of embodiment 2,3,4.In addition, lighting device 2 can also be installed on beyond ceiling.For example, lighting device 2 was both
It can be arranged on table, fixed accessory can also be used to be installed on wall, can also made in other places or purposes
With.
Embodiment 6.
Next, the light supply apparatus 400 of explanation present embodiment 6.Figure 14 is the light supply apparatus 400 for showing embodiment 6
Exploded perspective view, Figure 15 is the profile in the path of the light for the light supply apparatus 400 for showing embodiment 6, and Figure 16 is to show reality
Apply the top view of the lens 430 in mode 6.The shape of the lens 430 of present embodiment 6 is different from embodiment 1.In this implementation
In mode 6, a pair part common with embodiment 1 adds identical symbol and omits the description, with the difference with embodiment 1
Centered on illustrate.
As shown in Figure 14, Figure 15, Figure 16, lens 430 are not rotational symmetry, in addition, being opposed to set with LED10.In addition,
The protrusion 480 that lens 430 have the frustum of a cone portion 433 of the face side positioned at LED10 and protruded from frustum of a cone portion 433.Lens
430 possess the first recess 440 and the second recess 450.
The plane of incidence 431 in lens 430 and exit facet 432 pass through with from the plane of incidence 431 towards outgoing in frustum of a cone portion 433
The inclined curved surface 470 of mode that face 432 makes width broaden connects.Curved surface 470 is in the rotary parabolic using the center of LED10 as focus
The shape in face.In addition, the plane of incidence 431 and exit facet 432 in protrusion 480 by being used as the raised sides of the both ends of the surface of depth direction
Face 481,482 and side 483 connect.Projection side 481,482 towards side 483 from frustum of a cone portion 433 to make projection side 481
The mode that the distance between projection side 482 broadens is opposed to configure.In addition, projection side 481,482 is by incident light
Total reflection, is directed to side 483.
First recess 440 is arranged at 431 side of the plane of incidence of lens 430, makes incident anaclasis.First recess 440
With conical by its shape in a manner of including making narrowed width by 432 side of exit facet of the opposite side from the plane of incidence 431 towards the plane of incidence 431
The bottom surface 442 of inclined inclined plane 441 and terminal as inclined plane 441.
Second recess 450 is arranged at the plane of incidence 431 of protrusion 480, including first refractive face 451, the second plane of refraction
452nd, third reflect face 453 and recess side 454.In addition, first refractive face 451, the second plane of refraction 452 and third reflect
Face 453 is respectively equivalent to first refractive face 51, the second plane of refraction 52 and third reflect face 53 in embodiment 1, with its work(
Can be equal or have the function of part thereof of shape and.In addition, recess side 454 is the depth side in the second recess 450
To both ends of the surface.
Exit facet 432 includes the opposed faces 461 of the bottom surface as frustum of a cone portion 433 and the bottom surface as protrusion 480
Surrounding face 462.Opposed faces 461 and surrounding face 462 are respectively equivalent to opposed faces 61 and surrounding face 62 in embodiment 1,
With its functional equivalent or have the function of part thereof of shape and.
Next, the path of the light of the light supply apparatus 1 of explanation present embodiment 6.Path as light is shown from LED10's
The path of the light projected from the center of optical axis 14.Herein, in fig.15, the low-angle light S1 of the right injection to LED10, middle angle
Spend path and the low-angle light S1 in embodiment 1, middle angular light M1, the path of wide-angle light L1 of light M1, wide-angle light L1
It is equivalent.In addition, low-angle light S1 and middle angular light M1 are projected from side 483.
In fig.15, the low-angle light S3 and middle angular light M3 projected to the left of LED10 is rolled over by inclined plane 441
Penetrate, incide the inside of lens 430.Afterwards, low-angle light S3 and middle angular light M3 are totally reflected by curved surface 470, are reached
Opposed faces 461.Then, low-angle light S3 and middle angular light M3 are refracted by opposed faces 461, from lens 430 into Figure 15
Lower direction project.
In fig.15, the wide-angle light L3 projected to the left of LED10 is from the bottom in LED10 the first recesses 440 of direction
The light that face 442 is projected.Wide-angle light L3 is refracted by bottom surface 442, reaches opposed faces 461 afterwards.Then, wide-angle light L3 leads to
Cross opposed faces 461 to be refracted, projected from lower direction of the lens 430 into Figure 15.
Next, the effect of the light supply apparatus 400 of explanation present embodiment 6.As described above, in present embodiment 6, light
Projected from side 483 possessed by opposed faces 461 and protrusion 480.Therefore, in present embodiment 6, by adjusting side
483 size, so as to not change the direction of the light projected from opposed faces 461, and easily only adjusts and is projected from side 483
Light range of exposures.The light supply apparatus 400 high thereby, it is possible to obtain spatial design corresponding with purposes.
Figure 17 A, Figure 17 B are the schematic diagrames of the use example for the light supply apparatus 400 for showing embodiment 6.In Figure 17 A, light
Source device 400 is arranged on wall 701 in a manner of making its side 483 towards 703 side of ground.In addition, as shown in Figure 17 A, in light
The front of the opposed faces 461 of source device 400 is provided with the diffuser plate 720 for making light diffused transmission.In light supply apparatus 400, from right
Put the light irradiation space 700 of the injection of face 461.At this time, the light projected from opposed faces 461 is diffused into diffuser plate 720, so light distribution
Broaden, the wide scope in space 700 can be irradiated.In addition, the light projected from side 483 partly irradiates wall 701.
In Figure 17 B, light supply apparatus 400 is arranged on ceiling 712 in a manner of making its side 483 towards 711 side of wall.
As seen in this fig. 17b, in light supply apparatus 400, the light projected from opposed faces 461 irradiates ground 713, so the underfooting of occupant etc.
Illumination be ensured that.In addition, from side 483 project luminous point shape irradiate wall 711.
In this way, the light supply apparatus 400 of present embodiment 6 can irradiate multiple positions by one platform.At this time, light supply apparatus
400 are provided with non-light distribution region 5.Therefore, the free degree of the spatial design based on light improves.
In addition, by enabling lens 430 to be rotated with optical axis 14 for rotation axis, so as to not make to penetrate from opposed faces 461
The direction change of the light gone out, and only make the direction change of light projected from side 483.Thus, light supply apparatus 400, which can irradiate, appoints
The direction of meaning.
Embodiment 7.
Next, the light supply apparatus 500 of explanation present embodiment 7.Figure 18 is the light supply apparatus 500 for showing embodiment 7
Light path profile.As shown in figure 18, the point different from embodiment 1 of present embodiment 7 is that lens 530 do not have
Second recess 50.In present embodiment 7, a pair part common with embodiment 1 adds identical symbol and omits the description, with
Illustrated centered on difference from embodiment 1.
Illustrate the path of the light of the light supply apparatus 1 of present embodiment 7.Path as light shows the slave optical axis from LED10
The path for the light that 14 center is projected.
In figure 18, low-angle light S4 is refracted by inclined plane 541, incides the inside of lens 530.Afterwards, small angle
Right obliquely downward directions of the light S4 from the side 533 of lens 530 into Figure 18 is spent to project.
In figure 18, middle angular light M4 is refracted by inclined plane 541, afterwards, is incided around in the 3rd recess 560
Face 562.Then, middle angular light M4 is totally reflected by face 562 around, incides the side 533 of lens 530, from lens 530
Right oblique direction of the side 533 into Figure 18 projects.The direction be with 532 phase of the exit facet of lens 530 from direction.
In figure 18, the light that the bottom surface 542 during wide-angle light L4 is from LED10 towards the first recess 540 is projected.Wide-angle
Light L4 is refracted by bottom surface 542, afterwards, incides the opposed faces 561 in the 3rd recess 560.Then, wide-angle light L4 passes through
Opposed faces 561 are refracted, and the lower direction into Figure 18 is projected.
Next, the effect of the light supply apparatus 500 of explanation present embodiment 7.Figure 19 is the light source dress for showing embodiment 7
That puts the irradiation area of 500 light matches somebody with somebody light distribution.Low-angle light S4 and middle angular light M4 in Figure 18 etc. are projected from side 533
Light form the second light distribution region 504 in Figure 19.In addition, the light that wide-angle light L4 in Figure 18 etc. is projected from opposed faces 561
Form the first light distribution region 503 in Figure 19.As shown in figure 19, compared in 504 intensity of the second light distribution region for the direction of peak value
In big in the direction that 503 intensity of the first light distribution region is peak value, the angle from the optical axis direction of light source 10.
As shown in figure 19, the scope γ between the first light distribution region 503 and the second light distribution region 504 is not formed with as
Project the non-light distribution region 505 in the region of light.Herein, if the distance of the side 533 of optical axis 14 to lens 530 is set to L, is incited somebody to action
The height of side 533 is set to H, then by reducing H/L, can reduce lower semisphere side in the second light distribution region 504, in Figure 19
Region (hatched example areas).The light that thereby, it is possible to suppress to cause glare.In addition, by being set to the degree of H/L≤0.2, second is applied to
The angle of the light of in light distribution region 504, in Figure 19 lower semisphere side region (hatched example areas) is less than 10 °.Thereby, it is possible into
One step suppresses the light for causing glare.
In this way, in present embodiment 7, even from purposes or for whetheing there is the requirement of 504 grade of the second light distribution region
And the second recess 50 is omitted, non-light distribution region can be also formed between the first light distribution region 503 and the second light distribution region 504
505.In addition, in present embodiment 7, eliminate the second recess 50, it is achieved that it is concavo-convex less and formability and productivity are excellent
Good lens 530.In addition, by setting the second recess 50 as Embodiment 1, can more closely control from lens 30
The direction for the light that side 33 is projected.In addition it is possible to make the light supply apparatus that combination the above embodiment 1~7 forms.
In addition, in arbitrary embodiment, the light-emitting component of light source 10 is all illustrated as LED10, but can also make
LD (Laser Diode) etc., can also make a big light-emitting component of light-emitting area.In addition, the configuration on light source 10,
As Embodiment 3, the circle-shaped configuration that can be not only set to centered on optical axis 14, can also with rectangular shape or
Polygonal shape configuration is multiple.In addition, substrate 11 uses aluminum substrate, but the such Metal Substrate in addition to aluminium of iron can also be used
Plate, can also use more cheap glass epoxy substrate or paper phenolic material.
In addition, the material of framework 20 is not limited to aluminium die-casting material, metal or the high thermal conductive resins such as iron can also be used
Deng.And then, or further improve the heat dissipation characteristics of framework 20 and fin is set in one piece.In addition, also may be used
With between framework 20 and substrate 11, Jie has heat transfer the fat either heat conducting material such as heat exchange sheet or adhesives.According to
Heat resisting temperature, service life and intensity of used LED10, circuit element etc. etc., suitably decide whether to pass using these heat
Lead material or adhesives.Implement the light such as Embossing processing alternatively, it is also possible to all or part on the surface to lens 30
DIFFUSION TREATMENT, improves the mitigation of irradiation image and the irregular colour of shadow surface etc..
Claims (15)
1. a kind of light supply apparatus, has：
Light source, projects light；And
Lens, possess the incident plane of incidence of light projected from the light source and the exit facet opposed with the plane of incidence, institute
The direct of travel that lens change the light projected from the light source is stated,
The lens have：
First recess, is arranged at the incident surface side, makes incident anaclasis；
Opposed faces, are arranged at the outgoing surface side, opposed with first recess, make anaclasis；
Surrounding face, is arranged at the periphery of the opposed faces, incident light is totally reflected to the incident surface side；And
Second recess, is arranged at the periphery of first recess, by incident light guide to the outgoing surface side,
The light distribution region of the light projected from the lens has：
First light distribution region, is formed at the opposed faces；
Second light distribution region, is formed at the surrounding face；And
Non- light distribution region, is formed between the first light distribution region and the second light distribution region,
Bottom in second recess is on the line segment for linking the light source and the edge part in the surrounding face or ratio
The line segment is more prominent to the exit facet side.
2. a kind of light supply apparatus, has：
Light source, projects light；And
Lens, possess the incident plane of incidence of light projected from the light source and the exit facet opposed with the plane of incidence, institute
The direct of travel that lens change the light projected from the light source is stated,
The lens have：
First recess, is arranged at the incident surface side, makes incident anaclasis；
Opposed faces, are arranged at the outgoing surface side, opposed with first recess, make anaclasis；
Surrounding face, is arranged at the periphery of the opposed faces, incident light is totally reflected to the incident surface side；And
Second recess, is arranged at the periphery of first recess, by incident light guide to the outgoing surface side,
The light distribution region of the light projected from the lens has：
First light distribution region, is formed at the opposed faces；
Second light distribution region, is formed at the surrounding face；And
Non- light distribution region, is formed between the first light distribution region and the second light distribution region,
Second recess has：
First refractive face, from the plane of incidence towards it is described outgoing surface side and from first recess along radially away, make from
The anaclasis that first recess projects；And
Second plane of refraction, from the first refractive facing to the incident surface side from first recess along radially away,
Make the anaclasis projected from the first refractive face, be directed to the surrounding face.
3. light supply apparatus according to claim 2, it is characterised in that
The first refractive face is at the first bending point towards the plane of incidence lateral bend.
4. light supply apparatus according to claim 2, it is characterised in that
Second plane of refraction is at the second bending point towards the plane of incidence lateral bend.
5. light supply apparatus according to claim 3, it is characterised in that
Second plane of refraction is at the second bending point towards the plane of incidence lateral bend.
6. the light supply apparatus according to any one of Claims 1 to 5, it is characterised in that
In the direction that the second light distribution field strength is peak value compared in the side that the first light distribution field strength is peak value
To the angle from the optical axis direction of the light source is big.
7. light supply apparatus according to claim 6, it is characterised in that
The lens are in the shape of rotational symmetry,
The second light distribution region is set than the plane of incidence by the light source side.
8. the light supply apparatus according to any one of Claims 1 to 5, it is characterised in that
Second recess has a fully reflecting surface, and the fully reflecting surface is from the plane of incidence towards the outgoing surface side and from described the
One recess along radially away, make from first recess project light total reflection.
9. light supply apparatus according to claim 6, it is characterised in that
Second recess has a fully reflecting surface, and the fully reflecting surface is from the plane of incidence towards the outgoing surface side and from described the
One recess along radially away, make from first recess project light total reflection.
10. light supply apparatus according to claim 7, it is characterised in that
Second recess has a fully reflecting surface, and the fully reflecting surface is from the plane of incidence towards the outgoing surface side and from described the
One recess along radially away, make from first recess project light total reflection.
11. the light supply apparatus according to any one of Claims 1 to 5, it is characterised in that
The light-blocking member of light is blocked in being internally provided with for second recess.
12. the light supply apparatus described in any one in Claims 1 to 5, it is characterised in that
The lens also have the 3rd recess, and the 3rd recess possesses the opposed faces and the surrounding face.
13. the light supply apparatus described in any one in Claims 1 to 5, it is characterised in that
The opposed faces are in the convex shape in the outgoing surface side.
14. the light supply apparatus described in any one in Claims 1 to 5, it is characterised in that
The surrounding face is in parabolic shape.
15. a kind of lighting device,
With the light supply apparatus described in any one in claim 1~14.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2014-041844 | 2014-03-04 | ||
| JP2014041844 | 2014-03-04 | ||
| PCT/JP2015/053599 WO2015133233A1 (en) | 2014-03-04 | 2015-02-10 | Light source apparatus and lighting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106062465A CN106062465A (en) | 2016-10-26 |
| CN106062465B true CN106062465B (en) | 2018-04-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201580011467.9A Expired - Fee Related CN106062465B (en) | 2014-03-04 | 2015-02-10 | Light supply apparatus and lighting device |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6250137B2 (en) |
| CN (1) | CN106062465B (en) |
| WO (1) | WO2015133233A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6304538B2 (en) * | 2014-03-28 | 2018-04-04 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
| JP6861538B2 (en) * | 2016-06-22 | 2021-04-21 | 三菱電機株式会社 | Light source device |
| ES2847974T3 (en) | 2017-01-19 | 2021-08-04 | Ledil Oy | A device to modify the distribution of light |
| JP7112017B2 (en) * | 2017-06-21 | 2022-08-03 | 三菱電機株式会社 | lighting equipment |
| JP7258512B2 (en) * | 2018-10-17 | 2023-04-17 | 三菱電機株式会社 | Light distribution control lens and lighting equipment |
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| JP5495091B2 (en) * | 2008-12-12 | 2014-05-21 | 東芝ライテック株式会社 | lighting equipment |
| JP5441538B2 (en) * | 2009-07-17 | 2014-03-12 | 株式会社カーメイト | LED light source |
| JP5656461B2 (en) * | 2010-06-14 | 2015-01-21 | 日東光学株式会社 | Light emitting device |
| JP5272029B2 (en) * | 2011-03-04 | 2013-08-28 | 日立アプライアンス株式会社 | Lens and lighting device |
| JP5899508B2 (en) * | 2011-04-28 | 2016-04-06 | パナソニックＩｐマネジメント株式会社 | LIGHT EMITTING DEVICE AND LIGHTING DEVICE USING THE SAME |
| JP5903672B2 (en) * | 2011-05-20 | 2016-04-13 | パナソニックＩｐマネジメント株式会社 | LIGHT EMITTING DEVICE AND LIGHTING DEVICE USING THE SAME |
| JP5880198B2 (en) * | 2012-03-26 | 2016-03-08 | 東芝ライテック株式会社 | Indoor lighting design method |
| JP5228217B1 (en) * | 2012-06-19 | 2013-07-03 | 鈴木 優一 | Lens, illumination device, light receiving device, and optical device |
| JP5928212B2 (en) * | 2012-07-13 | 2016-06-01 | オムロン株式会社 | Light deflection element, illumination switch and surface light source device using the element |
| JP2015046357A (en) * | 2013-08-29 | 2015-03-12 | 株式会社東芝 | Lighting device |
| JP6304538B2 (en) * | 2014-03-28 | 2018-04-04 | パナソニックＩｐマネジメント株式会社 | lighting equipment |
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- 2015-02-10 WO PCT/JP2015/053599 patent/WO2015133233A1/en active Application Filing
- 2015-02-10 CN CN201580011467.9A patent/CN106062465B/en not_active Expired - Fee Related
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| CN201057419Y (en) * | 2007-02-12 | 2008-05-07 | 吴娟 | LED road lamp and its lens |
| CN102235594A (en) * | 2010-05-04 | 2011-11-09 | 艾迪光电（杭州）有限公司 | Light-emitting diode (LED) light-emitting module |
| CN102374484A (en) * | 2010-08-09 | 2012-03-14 | 三星Led株式会社 | Optical lens and lighting apparatus |
| CN102980134A (en) * | 2011-09-02 | 2013-03-20 | 三星Led株式会社 | Condensing lens and lighting device equipped with said condensing lens |
| CN103017084A (en) * | 2012-11-30 | 2013-04-03 | 广州市鸿利光电股份有限公司 | Secondary optical lens for light emitting diode (LED) wide-angle bulb lamp and LED wide-angle bulb lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015133233A1 (en) | 2015-09-11 |
| JP6250137B2 (en) | 2017-12-20 |
| CN106062465A (en) | 2016-10-26 |
| JPWO2015133233A1 (en) | 2017-04-06 |
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